Question 1

What is Django?

Accepted Answer

Django is a free, open-source Python-based web application framework. It follows the MTV (Model View Architecture) pattern. It was first released in July 2005, and Django 5:, 5.0.1 is the latest stable release (January 2024). Django is used to simplify the creation of complex, database-driven websites. Instagram, Mozilla, Disqus, and Bitbucket are a few companies that are known to use Django.

Question 2

How is Django different from Flask? List any 5 differences.

Accepted Answer

Criteria 
 Django  
 Flask

Type of Framework 
 A full-stack web framework 
 A lightweight framework

Working of Framework/Data Model  
 Follows an object-oriented approach  
 Works on a modular approach

Bootstrapping Tool  
 Has a built-in bootstrapping tool  
 Does not come with an in-built bootstrapping tool

Flexibility  
 Built-in features make it less flexible  
 Extensible libraries make it more flexible

Debugger  
 No support for virtual debugging  
 In-built debugger that offers virtual debugging

Question 3

Explain Django’s architecture.

Accepted Answer

Django follows the Model View Template pattern, also known as MVT. The MVT pattern maintains its own conventions and is a bit different from the MVC pattern. Thus, it is possible for the framework to handle the controller. The template is a presentation layer that has an HTML file mixed with Django Template Language (DTL). The model, the view, and the template are provided by the developer and then mapped to a URL. Then, Django serves it to the user

Question 4

Elaborate on the Django project directory structure.

Accepted Answer

manage.py: A command-line utility that can be used to interact with your Django project  
 __init__.py: An empty file that tells Python that the current directory should be considered as a Python package 
 
 settings.py: It has the configurations of the current project, like DB connections. 
 
 urls.py: It contains all the URLs of the project 
 
 wsgi.py: It is an entry point for your application. It is used by the web servers to serve the created project.

Question 5

What are models in Django?

Accepted Answer

In Django, a model is a class that maps to a database table or database collection. Each attribute of the Django model class represents a database field. Models in Django are defined in app/models.py  
Example:

from django.db import models 
class SampleModel(models.Model): 
field1 = models.CharField(max_length = 50) 
field2 = models.IntegerField() 
class Meta: 
db_table = “sample_model”

Question 6

What are the views in Django?

Accepted Answer

Django views are Python functions like HTML documents, accepting HTTP requests and returning HTTP responses.

Question 7

What is Django ORM?

Accepted Answer

It is a database abstraction API that can be used to interact with database models to perform actions like add, delete, modify, and query objects.

Question 8

Explain the Django-admin and manage.py commands.

Accepted Answer

Django-admin: This command is used in Django to perform administrative tasks.   
manage.py: This command is created automatically in every Django project and performs the same functions as Django-admin. However, it also changes the DJANGO SETTINGS MODULE environment variable to point to your project's settings.py file.

Question 9

Explain the model inheritance styles in Django.

Accepted Answer

Abstract base class:  It is used when the parent class contains common fields and the parent class table is undesirable.

Multi-table inheritance:  This is used when the parent class has common fields, but the parent class table already exists in the database on its own.

Proxy models:  This is used when one has to change the parent class's behavior by modifying the order or adding a new model manager.

Question 10

What databases are supported by Django?

Accepted Answer

MariaDB 
 MySQL 
 PostgreSQL 
 SQLite 
 Oracle

Question 11

How can raw SQL queries be run in Django?

Accepted Answer

The DEBUG setting should be set to True. In case the setting is squared away, type the following commands:

1) from Django.db import connection

2) connection.queries

Question 12

Does Django support caching strategies?

Accepted Answer

The following caching strategies are supported by Django:  
 
 Memcached  
 Database caching  
 File System Caching   
 In-memory caching

Question 13

What is mixin?

Accepted Answer

In the context of Django, a mixin is a Python class inherited by another class to carry out extra functions. Mixins are classes that can be reused and scaled. A unique form of multiple inheritances is a mixin.    
Mixins are typically employed:  
To give a class several optional features  
To apply a specific feature to numerous classes

Question 14

Is permanent redirection a good option? Why?

Accepted Answer

If there is no requirement for visitors to be directed to the old URLs, permanent redirection can be employed. As we know, the response of permanent redirections is cached by the browser. This leads to an attempt to redirect to somewhere different, which can cause problems. If a user navigates to a different page, it will load the same page because it is a browser-side process

Question 15

What are Django exceptions?

Accepted Answer

An unusual event that causes a program to fail is called an exception. Django supports all fundamental Python exceptions and also has its exception classes to cope with such circumstances. The Django core exceptions classes are defined by the Django. core. exceptions module

Hire Elite, Vetted Django Developer

Job Description

Job Responsibilities

Qualifications

Technical Skills Required

Other Skills

Soft Skills

What does a Django developer do?

What are the different job profiles to look for as a Django expert?

How do you build a career as a Django specialist?

Frequently Asked Questions

Looking to hire?

Are you a developer?